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Finding the Fourth Proportional to 104,241.57, 143,853.35 and 56,494.92

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Solution

The fourth proportional to 104,241.57, 143,853.35 and 56,494.92 is: 77,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,241.57 : 143,853.35 = 56,494.92 : x
  2. Step 2: Convert to fraction form
    104,241.57/143,853.35 = 56,494.92/x
  3. Step 3: Cross multiply
    104,241.57x = 143,853.35 × 56,494.92
  4. Step 4: Simplify right side
    104,241.57x = 8,126,983,217.51
  5. Step 5: Solve for x
    x = 8,126,983,217.51/104,241.57
  6. Step 6: Final answer
    x = 77,962.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.